/*
 **** BEGIN LICENSE BLOCK *****
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 *
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 * License Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
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 *
 * Software distributed under the License is distributed on an "AS
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 * Copyright (C) 2014 The JRuby Team (admin@jruby.org)
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package org.jruby.ir.operands;

import org.jruby.ir.IRVisitor;
import org.jruby.ir.persistence.IRReaderDecoder;
import org.jruby.ir.transformations.inlining.SimpleCloneInfo;

/**
 * Represents a temporary variable for an unboxed int operand.
 *
 * FIXME: this does not mesh with the specialized types like TemporaryFixnum and TemporaryFloat and is added solely to
 * support primitive integer operations during pattern matching.
 */
public class TemporaryIntVariable extends TemporaryLocalVariable {
    public static final String PREFIX = "%i_";
    public TemporaryIntVariable(int offset) {
        super(offset);
    }

    @Override
    public TemporaryVariableType getType() {
        return TemporaryVariableType.INT;
    }

    @Override
    public String getPrefix() {
        return PREFIX;
    }

    @Override
    public Variable clone(SimpleCloneInfo ii) {
        return this;
    }

    @Override
    public void visit(IRVisitor visitor) {
        visitor.TemporaryIntVariable(this);
    }

    public static TemporaryIntVariable decode(IRReaderDecoder d) {
        return new TemporaryIntVariable(d.decodeInt());
    }
}
